1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* Copyright (C) 2002-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#define N 20
static pthread_t th[N];
static pthread_mutex_t lock[N];
static void *tf (void *a)
{
uintptr_t idx = (uintptr_t) a;
pthread_mutex_lock (&lock[idx]);
return pthread_equal (pthread_self (), th[idx]) ? NULL : (void *) 1l;
}
int
do_test (void)
{
if (pthread_equal (pthread_self (), pthread_self ()) == 0)
{
puts ("pthread_equal (pthread_self (), pthread_self ()) failed");
exit (1);
}
pthread_attr_t at;
if (pthread_attr_init (&at) != 0)
{
puts ("attr_init failed");
return 1;
}
if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
{
puts ("attr_setstacksize failed");
return 1;
}
int i;
for (i = 0; i < N; ++i)
{
if (pthread_mutex_init (&lock[i], NULL) != 0)
{
puts ("mutex_init failed");
exit (1);
}
if (pthread_mutex_lock (&lock[i]) != 0)
{
puts ("mutex_lock failed");
exit (1);
}
if (pthread_create (&th[i], &at, tf, (void *) (long int) i) != 0)
{
puts ("create failed");
exit (1);
}
if (pthread_mutex_unlock (&lock[i]) != 0)
{
puts ("mutex_unlock failed");
exit (1);
}
printf ("created thread %d\n", i);
}
if (pthread_attr_destroy (&at) != 0)
{
puts ("attr_destroy failed");
return 1;
}
int result = 0;
for (i = 0; i < N; ++i)
{
void *r;
int e;
if ((e = pthread_join (th[i], &r)) != 0)
{
printf ("join failed: %d\n", e);
_exit (1);
}
else if (r != NULL)
result = 1;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
